Finding the Third Proportional to 409,734 and 835,718.63

Step by Step Solution

1. Step 1: Write the proportion equation
   409,734 : 835,718.63 = 835,718.63 : x
2. Step 2: Convert to fraction form
   409,734/835,718.63 = 835,718.63/x
3. Step 3: Cross multiply
   409,734x = 835,718.63 × 835,718.63
4. Step 4: Simplify right side
   409,734x = 698,425,620,171.89
5. Step 5: Solve for x
   x = 698,425,620,171.89/409,734
6. Step 6: Final answer
   x = 1,704,583.02